LOCATION LUTHERWOOD UT
Established Series
Rev. KWC
10/2018
LUTHERWOOD SERIES
The Lutherwood series consists of very deep, well drained soils that formed in alluvium and slope alluvium derived from sedimentary rock. Lutherwood soils are on fan remnants and terraces. Slopes range from 2 to 18 percent. Mean annual precipitation is about 17 inches (432 mm) and the mean annual temperature is about 45 degrees F (7.2 degrees C).
TAXONOMIC CLASS: Fine-loamy, mixed, superactive, frigid Aridic Argiustolls
TYPICAL PEDON: Lutherwood fine sandy loam - rangeland (Colors are for dry soil unless otherwise noted.)
A--0 to 11 inches (0 to 28 cm); brown (7.5YR 4/3) fine sandy loam, dark brown (7.5YR 3/3), moist; 14 percent clay; weak fine subangular blocky structure; slightly hard, very friable, nonsticky and nonplastic; common very fine and fine roots throughout; common very fine and fine pores; 10 percent gravel; noneffervescent; moderately acid, pH 6.0; clear smooth boundary. (3 to 11 inches, 9 to 28 centimeters, thick)
Bt1--11 to 17.5 inches (28 to 45 cm); strong brown (7.5YR 4/6) gravelly sandy clay loam, brown (7.5YR 4/4), moist; 22 percent clay; weak medium subangular blocky structure; slightly hard, friable, nonsticky and slightly plastic; common very fine and fine roots throughout; common very fine pores; very few distinct clay films on faces of peds; 15 percent gravel; noneffervescent; neutral, pH 7.0; gradual smooth boundary.
Bt2--17.5 to 34.5 inches (45 to 87 cm); strong brown (7.5YR 5/6) sandy clay loam, strong brown (7.5YR 4/6), moist; 23 percent clay; weak medium subangular blocky structure; slightly hard, friable, slightly sticky and moderately plastic; common very fine roots throughout; common very fine pores; few distinct clay films on faces of peds; noneffervescent; slightly alkaline, pH 7.4; gradual smooth boundary. (combined thickness of the Bt horizons is 22 to 57 inches, 56 to 147 centimeters)
C--34.5 to 59 inches (87 to 150 cm); brown (7.5YR 5/4) sandy loam, strong brown (7.5YR 4/6), moist; 20 percent clay; massive; slightly hard, very friable, slightly sticky and slightly plastic; common very fine roots; common very fine pores; 10 percent gravel; noneffervescent; slightly alkaline, pH 7.6.
TYPE LOCATION: Kane County, Utah; about 4.8 miles (7.5 km) northeast of Long Valley Junction; lat. 37 degrees 31 minutes 33 seconds N. and long. 112 degrees 26 minutes 24 seconds W., NAD83
RANGE IN CHARACTERISTICS:
Soil moisture: Aridic Ustic moisture regime.
Mean annual soil temperature: 45 to 47 degrees F (5.6 to 8.0 degress C)
Depth to argillic horizon: 3.5 to 11 inches (9 to 28 cm)
A Horizon
Hue: 7.5YR, 10YR
Value: 3 or 4 dry, 2 to 3 moist
Chroma: 1 to 3 moist
Texture: loam, fine sandy loam, sandy loam
Clay: 12 to 24 percent
Calcium carbonate equivalent: 0 to 1 percent
Rock fragments: 3 to 20 percent gravels
Reaction: moderately acid to slightly alkaline (6.0 to 7.8)
Bt1 Horizon
Hue: 7.5YR, 10YR
Value: 3 or 4, dry or moist
Chroma: 3 to 6 dry, 2 to 6 moist
Texture: clay loam, sandy clay loam, loam, fine sandy loam
Clay: 18 to 30 percent
Calcium carbonate equivalent: 0 to 3 percent
Rock fragments: 0 to 20 percent gravels
Reaction: neutral to slightly alkaline (6.6 to 7.8)
Bt2, Bt3 Horizons
Hue: 7.5YR, 10YR
Value: 3 to 5, dry or moist
Chroma: 3 to 6 dry, 4 to 6 moist
Texture: sandy clay loam, clay loam, loam
Clay: 22 to 32 percent
Calcium carbonate equivalent: 0 to 10 percent
Rock fragments: 5 to 25 percent gravels
Reaction: neutral to slightly alkaline (6.6 to 7.8)
C Horizon
Value: 4 or 5, dry or moist
Chroma: 4 to 6, dry or moist
Texture: clay loam, sandy clay loam, loam, very fine sandy loam, sandy loam
Clay: 15 to 30 percent
Calcium carbonate equivalent: 0 to 10 percent
Rock fragments: 5 to 40 percent gravels, 0 to 5 percent cobble
Reaction: slightly alkaline to moderately alkaline (7.4 to 8.4)
COMPETING SERIES: These are the
Assinniboine (MT),
Berlake (CO),
Bostwick (CO),
Cheesman (CO),
Crittenden (MT),
Duffson (CO),
Eapa (SD), Evannot (CO),
Evanston (WY),
Jarre (CO),
Joplin (MT),
Kenilworth (MT),
Kevin (MT),
Marmarth (ND),
Peyton (CO),
Reicess (WY),
Sugakool (WY),
Telstad (MT),
Turret (CO),
Udecide (MT), series. Assinibone soils have a calcic horizon between 10 to 25 inches (25 to 63 cm).Berlake soils are moist in all parts of the soil moisture control section for at least 30 consecutive days immediately following
May 1 and dry in all parts of the moisture control section for at least 45 consecutive days immediately following July 1 in most years. Bostwick soils contain about 2 to 20 percent or more of flat mica platelets of sufficient size to influence the soil's physical properties in the sand and silt fractions. Cheesman soils have a paralithic contact at 33 inches (84 cm). Crittenden soils have parent material derived from granite rock and a lithic contact at 50 inches (127 cm). Duffson soils have a lithic contact at 30 inches (76 cm). Eapa,
Evanot, Evanston, Joplin, Kenilworth, Kevin, and Reicess soils have visible carbonates below the argillic horizon. Jarre, Peyton, and Turret soils receive peak precipitation in the spring and early summer. Marmath soils have visible carbonates below the argillic horizon and a paralithic contact at 35 inches (89 cm). Sugakool and Telstad soils have visible carbonates in and below the argillic horizon and peak precipitation in spring and early summer. Udecide soils have visible carbonates below the argillic horizon and a paralithic contact at 28 inches (71 cm).
GEOGRAPHIC SETTING:
Lutherwood soils are on fan remnants and terraces at elevations of 7,150 to 8,180 feet (2,200 to 2,360 meters). Slopes range from 2 to 18 percent. These soils formed in alluvium and slope alluvium derived from sandstone. Mean annual precipitation is 15 to 17 inches (381 to 432 mm). April, May and June are the driest months, with monsoonal pattern rainfall in August, September, and October. Light to moderate rainfall and snowfall occur during the winter months. Mean annual temperature is 43 to 45 degrees F (5 to 7.2 degrees C). The average frost-free period is 100 to 119 days.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the
Tylercreek(UT)(T) and
Countyline(UT)(T) series. The Tylercreek and Countyline soils have secondary carbonates in the soil profile. The Countyline soils are usually on fan remnants, terraces, and footslopes a little higher in the landscape than the Lutherwood soils. The Tylercreek soils are on backslopes and summits higher in the landscape than either the Countyline or Lutherwood soils.
DRAINAGE AND PERMEABILITY: Well drained, low runoff, moderately rapid permeability.
USE AND VEGETATION: Lutherwood soils are used for livestock grazing and wildlife habitat. Vegetation includes mountain big sagebrush, rabbitbrush, needle and thread grass, Sandberg bluegrass.
DISTRIBUTION AND EXTENT: Kane County, Utah; LRR E, MLRA 47; Lutherwood soils are of limited extent in southern Utah.
SOIL SURVEY REGIONAL OFFICE (SSRO) RESPONSIBLE: BOZEMAN, MONTANA
SERIES ESTABLISHED: Soil Survey of Kane County, Utah, (UT642) July 2017
REMARKS:
Diagnostic horizons and features recognized in this pedon are:
Mollic epipedon: The zone from 0 to 11 inches (0 to 28 cm). (A horizon)
Argillic horizon: The zone from 3.5 to 34.5 inches (28 to 87 cm). (Bt1, Bt2 horizons)
The assignment of the cation-exchange activity class is inferred from lab data from similar soils in the surrounding area.
Classifed according to Soil Taxonomy, Second Edition, 1999; Keys to Soil Taxonomy, Twelfth Edition, 2014
The name Lutherwood is from a nearby camp.
National Cooperative Soil Survey
U.S.A.